1990 Johnson Evinrude "ES" Colt/Junior thru 8 Service Manual, P/N 507870, Page 122Get this manual
STEPIGNITION MODULE RUNNING TEST r-==l Make all running tests at the engine RPM where the intermittent or high speed ignition problem existsThe correct RPM can have an effect on identifying the problem
all tester leads so they do not interfere with moving engme parts
1Set PRV to "NEG" and "500 Twist and pull the primary leads off the ignition coilTurning in clockwise direction, attach terminal extenders to the primary terminals of the coilReconnect primary leads to terminal extendersObserve wire routing: orangeblue lead to the No.1 (top) cylinder